Electromagnet for producing a linear movement

An electromagnet (1) for producing a linear movement, comprising:

• a hollow cylindrical housing (2);
• an exciter coil (3) arranged in the housing;
• a pole core (4) fixed relative to the housing (2);
• and
• an armature assembly (5) centrally mounted in the exciter coil (3) with a main armature (5.1) that can be displaced relative to the housing, and an armature disc (5.2) that can be displaced relative to the housing (2), wherein
• when the exciter coil (3) is de-energized, an air gap (5.3) is formed between the main armature (5.1) and the armature disc (5.2) and, when the exciter coil (3) is energized, the main armature (5.1) and the armature disc (5.2) abut against one another,
• characterized in that
• the armature assembly (5) has an elastic element (5.4), with a preload force of which, when the exciter coil (3) is energized, an elastic force fit can be produced between the main armature (5.1) and the armature disc (5.2) in such a way that, if the preload force is not reached, the armature disc (5.2) can be moved against the pole core (4) by means of a magnetic force in the armature assembly (5) caused by the energized exciter coil (3), while producing the air gap (5.3) when the magnetic force falls below the preload force;
• the armature disc (5.2) has a guide bolt (5.20);
• the main armature (5.1) has a blind hole (5.10) for displaceably receiving the guide bolt (5.20);
• and
• the elastic element (5.4) is arranged in the blind hole (5.10) and is supported firstly against a hole bottom (5.11) of the blind hole (5.10) and secondly against the guide bolt (5.20).